Question

Find the value of cos21/sin 69 - sin40/cos50

Answer 1

Answer:

0

Step-by-step explanation:

90-69=21,

cos21 / sin 69= cos (90-69) / sin 69= sin 69/ sin 69=1 ;

90-50=40,

sin40 / cos50=sin(90-50) / cos50=cos50/ cos50=1;

cos21 / sin 69-sin40 / cos50=1-1=0